Change pack
Lintel
Dec 30 - Jan 5
25 questions
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1.
Number
0.00086
Answer: 8.6 × 10-4
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2.
Algebra
Factorise: x² + 6x - 16
Answer: (x + 8)(x - 2)
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3.
Geometry
Adjacent = 20cm, angle = 51°. Find opposite
Answer: 24.7cm
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4.
Ratio
Simplify: 12:6:10
Answer: 6:3:5
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5.
Statistics
Calculate the mean of: 7, 18, 22, 31, 32, 11, 5, 47
Answer: 21.6
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1.
Number
19000000
Answer: 1.9 × 107
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2.
Algebra
Factorise: x² - 8x + 12
Answer: (x - 6)(x - 2)
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3.
Geometry
Hypotenuse = 37cm, angle = 49°. Find adjacent side
Answer: 24.3cm
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4.
Ratio
Express the first part of 4:5 as a fraction in simplest form
Answer: 4⁄9
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5.
Statistics
The mean of 5 numbers is 38. If 4 of them are 15, 30, 40, 26, what is the missing number?
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1.
Number
0.0007
Answer: 7 × 10-4
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2.
Algebra
Factorise: x² + 3x - 40
Answer: (x + 8)(x - 5)
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3.
Geometry
Adjacent = 17cm, angle = 52°. Find opposite
Answer: 21.8cm
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4.
Ratio
In ratio 3:1:4, what fraction is the second part?
Answer: 1⁄8
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5.
Statistics
Calculate the mean of: 36, 45, 27, 6, 19, 34, 12, 25
Answer: 25.5
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1.
Number
520000
Answer: 5.2 × 105
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2.
Algebra
Factorise: x² + 5x - 6
Answer: (x + 6)(x - 1)
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3.
Geometry
Hypotenuse = 36cm, angle = 59°. Find adjacent side
Answer: 18.5cm
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4.
Ratio
In ratio 2:2:4, what fraction is the second part?
Answer: 2⁄8
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5.
Statistics
Calculate the mean of: 39, 14, 11, 33, 21, 14, 36
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1.
Number
0.00053
Answer: 5.3 × 10-4
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2.
Algebra
Factorise: x² - 12x + 35
Answer: (x - 5)(x - 7)
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3.
Geometry
Adjacent = 22cm, angle = 32°. Find opposite
Answer: 13.7cm
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4.
Ratio
In ratio 1:4:2, what fraction is the second part?
Answer: 4⁄7
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5.
Statistics
The mean of 4 numbers is 26. If 3 of them are 50, 39, 42, what is the missing number?
Answer: -27